Kenwood KRF-X7775D Service Manual page 30

BD BE
EM-2
J
1
10 12 14 16 18 2 4 6 (X13-78XX-XX) (A/6)
CN16
9 11 13 15 17 19 1 3 5
D23
5.0V
+14V
+12V
+5.6V
16.6V
+17V
D10
MUTE
R21 3.3K
8
R22 3.3K
10
+4.8V
+5V
+17V
9
6.3V
+6.3V
17.1V
3
4
5
13
7 6 5 4 3 2 1 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
CN8 CN15
2
M
DL-6
BF BG
WH1
1 2 3 4 5 6
+14V
+12V
+5.6V
16.6V
+17V
R69 47K
5.0V
R105 47K
48
D9
Q2
CH. SPACE
SW
R104 R103
R102 R101
5.0V
IC3
MAIN u-COM
25
26
30
5.0V
+5V
+5V
+5V
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
CN9
3
BH BI
L-5 A K CT-5
CN12
7 8 9 10 11 12 13 14 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
14.7V
17.1V
5.0V
57
4.8V
+4.8V
50
R16
REM2
49 100K
REM1
48
R14
ON STANDBY KEY
D6
47 330
RDS CLOCK
46
R13
RS DET
D5
45 330
S BUSY
R15
100K
44
CE
R9 R8
43 4.8V
RESET
1K 10K
R10 R316
10K 10K
5.0V
IC2
42 R7 C8
XT1
1K 1u50
41
Q1 IN
XT2
+
40 X1
GND
VSS
12.5MHz RESET
39 C110 PULSE
X1 RESET
4700P
R5
38
X2
37 220 4.8V
VDD +4.8V
36
S DATA
D22
35
VOL ST1
34
TV SENS
33
C
32
P MACRO B
31
A
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
CN10
4
BJ BK
+14V
+12V
+5.6V
16.6V
+17V
+5V F
+5V
RDS
C234 R234
IC7
22P 220
C235 C237
22P 4700P
+4.8V
5.0V
D7 +5V
R18
100K
R17
100K
+5V AVR
D8
Q17
5.0V
+5V
L3
5.6V
OUT
5.0V
+12V
+5.6V
R98
470 1/4W
+5.6V
L13
D3
+5V
5.0V
+5.6V AVR
35
34
4.8V
IC1
R3
D2
2.2 1/4W
+4.8V OUT
GND
5.1V
VIDEO
Q62
MUTE
+5V
Q61
+4.8V
5.0V
+5V
+5V
BL BM
CN11
A3 1 AUX Rch
A2 2 AUX GND
A1 3 AUX Lch
4 17V REF.GND
+14V 12 5 A. Rch
13 6 A. GND
14 7 A. Lch
8 17V RTN.GND
-16.6V
16.6V 9 - 17V
+17V 10 + 17V CT-6
N
1 11 SBR
17.1V
2 12 SB.GND
3 13 SBL
4 14 SW
5 15 CE
6 16 SR
7 17 SL
8 18 FR
9 19 FL
CN4
15.5V
+14V 16 U-COM VDD
15 U-COM GND
14 14 A. Lch
13 13 A. GND
12 12
A. Rch
L2
11 + 17V
L1
10 - 17V AN-7
9 9 Lch
E
8 8 Rch
7 7 SLch
R197 6 6
SRch
15.3V 56
5 5 Cch
1/4W
4 4
SWch
3 3 SB Lch
R199
2 2 SB. GND
100
1 1 SB Rch
CN3
6 7 AUX C
14.9V
5 6
AUX Y
EM-5
7 5 AUX V
O
4 AUX GND
A3 3 AUX Rch
A2 2 AUX GND
A1 1
AUX Lch
14.4V
IN